{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161353174",
    "entityType": "User",
    "nonce": "0x2d29b17085b10cfac3119fd4a3e39b89d3a2604df496642ea461176695725f64",
    "signature": "0x23d5180c688e5ce7f707522b32ea68f76b1ef50db547eb41d38e5c6fee0d653d0228c4c1626b985b4a653eac27acfe4f4f77d577bd8fda8bfa0d8cc3f7009e6e1b",
    "signer": "0x6Af6D40d1d0B48D79D2bd3E3c8f0a45540130c0F",
    "userId": "89433"
  }
}