{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x14f486de88aa38e294ae9e3ceb1a1cb6f8a840499417cb893064f81edf599372",
    "signature": "0x86520fe55be1e15be3dd25c8add89eb38257ad7c5b19f0a2f0a29b552107f4f929f0fbb64b91abf52fee4909bcb8ebdd6468752e699db6f41ad2c8397ee021b11b",
    "signer": "0xCEADf69D707d025460a3d27226683bCCC04DBA60",
    "userId": "187910835"
  }
}