{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "201249",
    "entityType": "User",
    "nonce": "0xeb40062be92d3df7b2c150c618bdf5be0996373ead24194dbd217cf8d6943608",
    "signature": "0x7748c7653f4774b7569ba82cbccba996efc9336701aa3c463019ee7d1c9c04143d9b2c67381d412065cc2271bc97363aaee502d87d506001a73cc1cff48e91f91c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}