{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146460",
    "entityType": "User",
    "nonce": "0xd62c389f4b60779e3815c2d38e758b54d9619baac8d7ec649ded79894729cd7f",
    "signature": "0x3cd217f941c359744753294287127761a5d1792234782f8ec0597b2a6fd13c924bc396bb6a707df044d24976430a725988c779e8e17985340b3007ddaff0afeb1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}