{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157697",
    "entityType": "User",
    "nonce": "0x7ec5c785163de18c4a7c8e75cf9c002fd2cdbf2d47b8bcfa6f288cf4bacfd69c",
    "signature": "0x115e34d557ebb7fbafaf3601d3ea7601364298a1f64ffca0178e7b8720ec4d5b1427497c50471d2141d840d4aeeae7c327773e31f31c5d55d0b609601fa3e0931c",
    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}