{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17152",
    "entityType": "User",
    "nonce": "0xa564501e6862a96db3b2e5a31d357bcb6490bbf1c549753992cbf55e7dafa4ad",
    "signature": "0x4220f796c23b2679ba41ac84a649b5d91e5e78be1533f3bc3bd34cee6a72af29693797059ec36182ae6c145f30d7154f969d11a064bcaa51c5a1b4be2147e4761b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}