{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120305",
    "entityType": "User",
    "nonce": "0x33c6172db630654151cf8efa987b44b1234ec66820647cf9692a2b77d34e04eb",
    "signature": "0xca4b86bd80aba272a22bedde75710bfd20d19b59a8e7c6e9a05c32f3acb8af0b405c58065376a0d706e57663edd6a475d2fccce9fc4d2fdfcf6d68c9fab9de5c1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}