{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "279392",
    "entityType": "User",
    "nonce": "0xefe74e641e336254ef11020e1246de0b970eb807f23fe57959b141250e3e90f1",
    "signature": "0xf560e69f2b99781e9650fb968e9455307f6bbc5d7f362975b1dadd32857af771003ac79588790d5066a823a926c57df5e1f35a3a2a394442a734aa77cd4ac8471c",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}