{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329513359",
    "entityType": "User",
    "nonce": "0xccdf9d0b2a477c9d3f1bfc9a38208a12d75625503fe8ffef34a4236b8150cfba",
    "signature": "0xce94c16d59ed3642b3c9ccfebd0e9dd9971348d826ee61b48b8c9557cb32f2dc252a9f87893a1542b33fb5a852e5bdb10024a2556b9157645bbc2cd2346ff3b61b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}