{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "790231911",
    "entityType": "User",
    "nonce": "0x75cee2ec8ee1e79106964a400148fcdba3a3bf29ab14669f93412a1957699d4a",
    "signature": "0x3e34acfeb11572c84af5b7627435b15d1134eb40eeb0b5282bd95656201d83b647d66bad27db224408277b10268a9250ceaee03c1b1dc65ae38f6a2664c64ef81c",
    "signer": "0x34F50BD1d16FaA0390f6037c86b7D52Ff6629a25",
    "userId": "739630124"
  }
}