{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "808453187",
    "entityType": "User",
    "nonce": "0x5a55d542be4cd48c8f343b2387df99be16a0af29553a905b3ff43d8ec9b60ef0",
    "signature": "0xfbb51e815418f7330a14c05a7f3a256efb151f52bfa14802a1f05496005110ce6aca80a0c87d80aa3258a9b265d8a73c3052216de7799586308d64c16a4c31ca1c",
    "signer": "0x1470A6BA5FC33720594092A39863a8efa306D07a",
    "userId": "968378094"
  }
}