{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584616263",
    "entityType": "User",
    "nonce": "0x7af7d9d71376250d3cbb2b77f3ba0b334b3f0361c488f0bcded65f25d35c9841",
    "signature": "0x314942f7c0cf5eedcbc088b6560b2b5f787872fa0ef2b8a60a2170a00e630a9171a13f62ab3a2a3860e753d979bfbe34847d7920765e5b5f407015db1b152dbe1c",
    "signer": "0x9de29362DF595E6949CaA2820c5c28c3D6b0CEe1",
    "userId": "857551474"
  }
}