{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb27631939be661e7f5b988815ba2f41d04a4b61f8917ad0ac690e2d383288419",
    "signature": "0xee5693f3e9aaf257b636ada2569ae7d6e14cb0f99f70750065874c0d9fd902f73c8233c683104e429fd6034e66fbb0b686e1f9a35645fb1a2fc4115be2cfd3e31b",
    "signer": "0x09f442B19683D394b028c72E9276EE0A0DC87D05",
    "userId": "774112884"
  }
}