{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "614212580",
    "entityType": "User",
    "nonce": "0x7ac4a0908c561cee786bd590cac54984347175f5ccf284315c4c5613611c21a1",
    "signature": "0x201bcd752b366bfab57ce271f745916a5aa14d71453d9535f2318e2fdd7d429b2ff1e84303c7ae438f6acffe3f8d2988c560d42de4092c7310e568163b0f02001b",
    "signer": "0x42cB1e20D724BD902Af64cd85c700BE6118500bD",
    "userId": "47154652"
  }
}