{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "210670",
    "entityType": "User",
    "nonce": "0x7dc483a283055f3a81a5e00fb536942c7add100eb097f40a7118ca68a1ee4fe3",
    "signature": "0x14a555de23d0278d2d6b29be049381da64a4e000e3002ed4b995441b7450a561079af50d9972990cba45bfe398a7c0d558ade224e5523b1010817ce607df0c7b1b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}