{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x373fcb4a96d781c6166b0430e973d7bb8c8a1025f15b45cf072a732dd70d6a5e",
    "signature": "0x99c800d44ad4e4dbaa28554ed714722c722f3d072018626acc81466a2872ce6a5848865949913e0a94bb118789b7cb827830813d66f9405fa6c96a6a7cb34e4a1c",
    "signer": "0x4ab505DBD73CB27C1457E037607E5fB3B27915f9",
    "userId": "186630"
  }
}