{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29401",
    "entityType": "User",
    "nonce": "0x81989a9bc1814fa7e4b01184393760c94da88a478b29d46b35ff4f87102906b9",
    "signature": "0x746190045e3259f764ccfe06a5f1496190f4651215aed94c268bef755af5321d3659d8d7f4aa46b12d62d817099171df210147b4e92522d56fb8298e74734b611b",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}