{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "122126",
    "entityType": "User",
    "nonce": "0xecf5a830b8deb29ca58c79c51715d6063afa7b18ad2be6dd4e2060a55d088a32",
    "signature": "0x9ab81837215f546f1d2345c85cc9a0aafd880df276cea33fba21bfb682e361d60cf9f7488f8522189dd8f925f851769769a39aa79ebcd0ec3ffacc0746b9c6aa1c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}