{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "273088956",
    "entityType": "User",
    "nonce": "0x7859644fc4eebb07729b21af86b86602c62b7c6b726e2d28c837b3bf1d7164a7",
    "signature": "0xee4f88c11aa50db0a4c6290136b9294a2195a2dbed178873743ddbffc60ae13c4616aa05d9d0893505d13767a71caf2524d343edf4b27c78e6bb6839941c38651c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}