{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120884",
    "entityType": "User",
    "nonce": "0xa53d866d0df16d0b942e1428d6a57fa34dce1ef8db69765129bb61cd8dcb6be6",
    "signature": "0xae8871e12c44708986e957475a1cf53bd860006e80dfedca0885712f601a4bdf5ae77a26daa27b25569951a77c0524f447403e1e4713a9089a7f4b814f16c0b61c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}