{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "301405",
    "entityType": "User",
    "nonce": "0x1be85c975003268d278032ba52a325072e57d1a12f0615ead95fc67160140c20",
    "signature": "0xbce645a45ddcce0c7cefb1dcfe4adba103c70d145eeecedc5e1ac31a186ccb1960e6d605daa5bbcdfc6599793486127da97ead8223cbd20e872d570d7e88feec1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}