{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "846570160",
    "entityType": "User",
    "nonce": "0xae6c4e4b2e6825a4ab486115d68a0db299cae6c97dade2b2082fd917a5993dc8",
    "signature": "0x73f12d862c5f0c6f5d8050d9db6a42936d00b0f3a678c201de961963a725854e120cfad1dd8c069954d53af506cbe782aee8c405060ba8b264f64d3e17805b751c",
    "signer": "0xCedE64dcD8b0FdEDBdADF4b0ba433797eD6301c9",
    "userId": "638733607"
  }
}