{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb2fecec8323c927eb57acd741202ea2f525b9cf9fe1bc504d116f79c391113b0",
    "signature": "0x17fbd0582a858379e4b84973735782a00fdbc0779bf62cfe1ed7da993201d77339bbdb27816c3b7185bdcf154dfefd58b5e8ab94a5ae2ee76c194b9c928045881b",
    "signer": "0x6Ee7842A432b779E1Bf51F27B824fe86161cee6c",
    "userId": "408407824"
  }
}