{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70215",
    "entityType": "User",
    "nonce": "0x604f5c39e83c8c06428fa4d008b1dd9cfe92ffba337f4a7bde44db9cf422aa19",
    "signature": "0xb97b48654b796421015d76a7289ceff1d994300c951f817c87003e7bebb3c13f3b71765558008d4860e189a77e7eeb597170f2456072c5ccc1918d013fbd6c7a1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}