{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40651",
    "entityType": "User",
    "nonce": "0x7515bb7ea20208195e9632b0f7016026d1997ba1dff2a4278b825f9ed06416d6",
    "signature": "0x314cc09200bd161705245751ef4769543c5efe4638476c50fd8dda6cfc8cd8734de3f4f3b2f6ac8ab7ef6d2fad21dd172f109b06648979f8e2b94b9e836a194c1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}