{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27831",
    "entityType": "User",
    "nonce": "0xbbaaaad58e24de32a4a18cdfc28f33cde27723355f49c148b0fd61e62eb67d91",
    "signature": "0x497821a3c86194dcdc81101d85fda13d9766b60ab3a1d3a46a50df348ac655863878c560849a2a065d10959a33813ba6643a0e65042b179c1e836b4265e7e5111b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}