{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62395",
    "entityType": "User",
    "nonce": "0x3eef9bb2dab811d8928db47aa08d299120efe0f0eb5c6ff3c80065f218ac189f",
    "signature": "0x25527e3f8d16e80c574ebdc22942a38ea1c478110dde2fc922cb4e4cfa49c6eb710d409264c2b992d6f35e5a14b9338b7b0e432e88feebab1f3685ca0df14ec21c",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}