{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "186198383",
    "entityType": "User",
    "nonce": "0xb849f620c72fcef92d00ff0ad0f82c470c8441988cdb4b5cfcf52bfed3801ec5",
    "signature": "0x8661d62fe3c52db15b364b46cb3e2eda62886fce961367c3d4b8cdcb15f71b4c1c2b2c526ec47fe4e97c46d40e1c938f70350f26741cf9109aa93e570cbbcb841c",
    "signer": "0x8d9D00A94c3B1C9992e3CA4386AbBC6345B2E876",
    "userId": "396658415"
  }
}