{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39667",
    "entityType": "User",
    "nonce": "0xc92f5a3477d979d12a04e2118582120cdfd4b2a15fb13551982df72c51691c25",
    "signature": "0xe784d1028dc57ef6e4210fedf82e7665cdc4e3b1dadb7b324bde3adf64bc5d79104daf429140e323d137ae449909ba18a4e88875df0e80488892670c0933f8fc1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}