{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0x74af66a1197452d4c763d2262a8427257059fe5235f6152a7cd6481edfa3b792",
    "signature": "0x4f63619ae7e5c2c0698bafec32d9a22e9d56adca56de383f11c6dbd5bf5188b43a1ed3967eefa8eeeab6beb3857cd94cf89e415967dcf529572674e14e2e57471c",
    "signer": "0xA499e25CB9E3d271e0a032dcFF48C75EB001476b",
    "userId": "179264467"
  }
}