{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "286160",
    "entityType": "User",
    "nonce": "0xa682bac03279657b9f2af662c104a16223e8121fb149f42579f947737ff2d22d",
    "signature": "0x75cbce384d5fc621e8c78e50c02a8d53bcaa475a31bd506271a24d32e499466a507794295be249c51d637c802c88f2cd47dec6b4c1ee4e8f3822baa5d529ac311c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}