{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3636",
    "entityType": "User",
    "nonce": "0x3d7dc03bea19b989c98cb4e4bf3fb2229be7de9e27e7a3952f0244710a779898",
    "signature": "0x2f84ed2efdaf14c74100c2e8d47b8a3cbc1dfa97419031a658740bfa86d725886dd7b6031c5c9a475ba556e547d0b5e2ab61c13db270326f2113d13aca63cedb1c",
    "signer": "0x222534475146193b99B68F2E3830ED2b44307C2D",
    "userId": "991417453"
  }
}