{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "765532170",
    "entityType": "User",
    "nonce": "0x1abae4ed9593cbda8775d13cba488b94210ef2f11bdca844e24d320eb83f8da5",
    "signature": "0x9a131c1fca62bff37277b1d5a7daf5e61cbf858d53e761b3a8651c88e1b4bdb56b4aca24012462a18515fa63662ca3ec3aff18d7f30e4c62dc9e73812253b4e61b",
    "signer": "0x6015AC6ad37b0328C10a529E70348751FE8ffF41",
    "userId": "176201"
  }
}