{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x070d7af200f7d2ef5bac5a84544702c984c700a012802a2434f6648987d8c398",
    "signature": "0xe44b0d529500168351314b11a0158f19a8194b1c4c3fce96a8adb6707281c43250a2e14eaa666d05fc3e23612b6f3259c580069ec863c5225edbfd15e13c228c1b",
    "signer": "0x989faEfE658E0b6dF1793197b0De4137Cb1aDD3b",
    "userId": "554920508"
  }
}