{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x8f587bc859b88e294895052a92b1df8f5702ef31a2140a2b987bcf70dc6354a6",
    "signature": "0xc37309a1d1ed16dc127c049284d6590eb97fb1d8ea202f343330025f2875369b3ff23c4e3021396245347fa640b641d1d6289096a467ebae1e62deb73c5e5c271b",
    "signer": "0x88ad765B72fb060B3adbae1FA44A6C64722E1781",
    "userId": "236177"
  }
}