{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127237",
    "entityType": "User",
    "nonce": "0x43e9d7e54a772cc1e18a69369adfc52a62eca3874aacb823bc49ff7419a8596d",
    "signature": "0xe8f0500804431591f3137bddc1e55d674586f9b03a7619ca7be8bfe56caf2f945db5baf420a8804f610b8066e14831250e4a12233816b14e634060646b3a10421b",
    "signer": "0xCd69C2Cb50a21531a08Db7A8333c51532ea010f0",
    "userId": "837274016"
  }
}