{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "80696",
    "entityType": "User",
    "nonce": "0xc5ee05598e3bed22a3a174c82dd1be6f159996bdefd86d9a5e2c4a8e52fb2a84",
    "signature": "0xc52b03c61b0eb6957d126dccaaa0f604885457bbbab6be94edfe1c11f3ff10022da584a693c27e63c734516328c3ad5f0d7f0f02a2b12ed8ad2a00ade47a29951b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}