{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7055",
    "entityType": "User",
    "nonce": "0x1b3afc054a365881e3e5270ba53f1332d41a978484e47ad816a0a93b7861aeab",
    "signature": "0xd3d9e90c0fe5e8ed5242e9073e398cf0202f13ff4ffa5343b3f53cf93b50faa67038419ecfaa07293839c9b53baeda2e0c619f58de0ce0e77d4581b635ba8dac1c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}