{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb85a1bcc65d56ec47d8b301559ecbda3a25d621f2a965ea281ba7c046bb7db95",
    "signature": "0x1aba767dcd0b8a3e11ed6fe4ac2d4343e69fc7389e3ab89e46e430f29f6e48fc3477005b8dae0505035c93bf9c95e9f8701b2727a83e0fffe0f50db86ac269ad1b",
    "signer": "0x7D6D9035aa24159A11b756872c46237Cd881A110",
    "userId": "892995183"
  }
}