{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x68312e22412385a0c181a551062125e59efb1b31b1e83b194be93a943377fb00",
    "signature": "0xc666e36a53e87456652b39b3fe632f9a2dc5ec60e1ba4b24eda0416b2e14397a2a1a0c68902023c6703f8dd425c4a7c68e79b10c4caf9d30191c12e465c3d4b61c",
    "signer": "0x93089007EeAD51Bd6cddF8C65321BAEb9460295B",
    "userId": "36738513"
  }
}