{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "525853819",
    "entityType": "User",
    "nonce": "0xd97b0ad3c523ed16f2efa519f12553cb3b4c92445d812db14512fabc90661907",
    "signature": "0xbae1e82ff02a787cef2075a3026dfda76cbe4ab7ea126ac18b24793606a62b3d6a5d84bc81c69cdf4d3fae854dd16ea957e0258850981f7d63f03b4523450c381c",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}