{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x78a7f9c866208aabf31c37a10abf32db9ac2dbc93c0e7c5f4238152b5a69d73a",
    "signature": "0x245ef40de4bf5550331f40e43c2db9f1d0488dd797bce8636f5c964822528ad172e19988c14124a5a400103785ec35306a47d2c6a3900a1076c0911ce9e9d6101b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}