{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329513359",
    "entityType": "User",
    "nonce": "0x97d03ce0875d5bda3cfa905bf0ca336903a70fa000ffa88d60aa547b17de2ae5",
    "signature": "0xb7ea739e2d3cd0c36780797a40e6880d331989de71b2aefed91fe94453169b5b42b6869c2cc8b06e7fa76c110684f9b7c6c3a1db58d2508655a86a566161b8091b",
    "signer": "0xFacA45731f376Ad08B3020679B8e608Cb8731E3C",
    "userId": "234994159"
  }
}