{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52710",
    "entityType": "User",
    "nonce": "0xef3ba021e5453766f248a27da062088229c0f9925886aa651d27e7ab7e7bde21",
    "signature": "0x416758e40777edbe9839593e0b461ed6a20f51ccf7ddae38dad36733f90fbf1933089a223493d401959bc6f6a7f0c2fa51f11905a904c5005affdca6938426d81c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}