{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "939113546",
    "entityType": "User",
    "nonce": "0x786869bead2a36322d94659118bbc2fa8b2be1f1aa6e3826f36b9d54008fc716",
    "signature": "0x724c62393618ed242f10e705a219643af29da2edd94c0c99605032db182a65e21dae0b3bc60ab275c0ff3b0655306dcc76303bece6ac1b266a6e9bf91ca56e321c",
    "signer": "0x367680E9B4EfE77a6636091FA6c2c71749Cf7C60",
    "userId": "40274"
  }
}