{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1de36cc35e1bf5fca0d5949edb33e041097b480f7ee7b264fccc9178d79add7e",
    "signature": "0xc27f3fcbb22173e7d14cd1ebe3dbe3b96cb33c3b69ed090f79f8a4d176178f3c257c9aa21a833007961daebc428493e9facccd27b0f0e88ca39843effd0610e71b",
    "signer": "0x2b3B36630C56dd38eF51E26D6F57c64aB97378Bf",
    "userId": "762914295"
  }
}