{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "126728",
    "entityType": "User",
    "nonce": "0xa638746a8bac24a23b5d837a517f32c80af87ae4ae9c2c93c2d06a468cd32927",
    "signature": "0x0ada4605c5a0c8b9bb51aba41c1a2ebf6033db1265cbe621ca26034c074594e711d0c302d7cd64a577260cb2ffc824c5b01dbda72f9553e4c86c5bf2315204a71c",
    "signer": "0x74dA318ddE12CaeE553210EF05624988d39791b1",
    "userId": "914755771"
  }
}