{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951116729",
    "entityType": "User",
    "nonce": "0x7ff7926ea781278e98dca2ed01533253d5583742f47de0fc4f226397cc808971",
    "signature": "0x654e901e331561bc48aea9e0321de52bddecf7c3aab1a0ce5c0c2e35883e2d9e7f46125279eb83d3973d525369a47f8f88777eb8db438aac004d10faa9f9c6651c",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}