{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "887242445",
    "entityType": "User",
    "nonce": "0xc85d2aa98a7182fd9ad52adf873ba131d957f0893a33fb96012f94cdf112649a",
    "signature": "0x6f47b37ebd6916d3104acb01647a184cd23bac662bb8eacc24d80a5b25c2997473b3f846fb919694bad107f17b33f3869717d85a6d4817ccbf7922777850e6951b",
    "signer": "0x12705C8Fe8CE886CeFEFa0d4d46E906f2c35C954",
    "userId": "477934274"
  }
}