{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1994482",
    "entityType": "User",
    "nonce": "0xbb3dbcae1a0f2b13507c588e081c9cb5c2623145e422ad32f9b3a945ec0cd283",
    "signature": "0x082799aa87e37010b77351ff6e3efebc9d1392c39c24d54cd07412eca5825a246b6b4a59e52d3a3e08c487f6971fc0b37e11dfd806d0ee884b00a1786b932ef61c",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}