{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61291",
    "entityType": "User",
    "nonce": "0x9dc8f440e056473b058b37a2a1c751a73e8e16169a06e5d83d6b442f0cf8f109",
    "signature": "0xb651260e185f332b8e1f7cac735a179587f2548795d05151f041ebae0ba551d922c03a05ca372bc2233a64b7e4f4311da7ec2118cfb38b34df92fdd6da45d3f71b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}