{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "313481598",
    "entityType": "User",
    "nonce": "0xfddf545def1ef25bbf83cdd25b5e8fd2a3b4bf6b5d0cb469f15ed0cd86eb7490",
    "signature": "0xeb43c14831c657737469e5ca95bb200546baf08f072ae7fe43d851199ef6cf695e5784926f7f2f252b335d9f1061c97f32f089c73163aefba105e3a5dcee9cb31c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}