{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937299109",
    "entityType": "User",
    "nonce": "0x38ecfe1661638101c2965e7f5324815316f84b0207a0077622252d8fafa23490",
    "signature": "0xe7c39cb1467907ade74cbff31593ca054eef89113e071ea02a1c36db5e2d6be2660fc44c6a1712bfbe20f3ffb97dfb6abb85287280695cd3080b85bb319d83ab1c",
    "signer": "0x1c4e2947b5F9FA4A927a23897193150631C1DA35",
    "userId": "933435942"
  }
}