{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "309080",
    "entityType": "User",
    "nonce": "0x5eb1af54d8f52f41bb1134966caa02e8d6190be0ab4a69550a9b84a3ef739fd4",
    "signature": "0xcba44e61bd3aa34243b78756693dab0e98f577a4042fee94dc31741b68457fa04a1f7b7f2f5f4bc3d0f1c133748f106d4fb6425ae43c89eff80bf3b3aa6e88de1c",
    "signer": "0x77116F48E8F0a4AC155BBb1d5ec81D93dc1eb885",
    "userId": "986639112"
  }
}