{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57350",
    "entityType": "User",
    "nonce": "0xdce560bcdce897319892d98159001bd1a1075ce2dae5c7b30a745acc4c12ea2f",
    "signature": "0x3c6ad572d49fe8d2c026ce1a2238903a4b5d524e1a3f5eaf311db71cc47956fc7050774192eb459681fb2c9d49c6437231326c1faf60dde8ed0f648a4349d4921b",
    "signer": "0x97CE54f824356168619DB7187EdA973c1110bDa7",
    "userId": "5958805"
  }
}