{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39727",
    "entityType": "User",
    "nonce": "0x8118ed141f610949879c6875849a4639e0944483e47450d982f3707f23d8b58b",
    "signature": "0x92f7e4c626b132254f263b9eb9df6b47496443fcd066fbf3e72bcdaafd1b9284456b5a5e592cc864261f234888543531fd6d8f457004a134e54f9dac0c1065e71c",
    "signer": "0x546643B8F8164fB6dC42c93F65D31C17676Cd995",
    "userId": "305541868"
  }
}