{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "769559286",
    "entityType": "User",
    "nonce": "0x939c0f355fa10779a62fe69c82a57bde3fb64b0a035facc7593a8921390e2f62",
    "signature": "0xa5fcaa6b53baf9ab5f0ef603033127509d129b6de303b764fe2007cfcc7dec0e3c50551a85e1fe38a93ab3f428bb967986da626c56b9e9c0f1f9c0ce7435ff131c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}