{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "358093753",
    "entityType": "User",
    "nonce": "0x0f7acd9c01de8cea376a438f7dfa96ad7653df716c0349208158a5c7ce487a7b",
    "signature": "0xb5d9c07c9c685c00586b12e932701404c43020e4ebfe9c6e8e7c134138aba8b2459abf9e2306a5a831308ddfb393a25cd6d708e61c07d0504012bbc30b5c12801b",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}