{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "869642170",
    "entityType": "User",
    "nonce": "0x4669f4475d71b4f3c323ecf67a838d5830920407f8c117ccad295f1773fc4aea",
    "signature": "0x152f58da4ea8dbe3f36848d12b1ab36c080da0278d278215c4ac60ff31fb456a75d3cded440b17234b3192e2de2a0e1d7dc596fe54998ba7569987b9e60009151c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}