{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "364877476",
    "entityType": "User",
    "nonce": "0x131fbff1ef79350e5f63aae55a7c11ab0cdf5dde53cf004589caf36cd7480256",
    "signature": "0x4c6566e5dcfa6532d0f727d514a2c7f3c49cb68200be4b0e0f9122f4cd143d1a569ed926e52ca99e5805c02135c6827f9eaaa534f05106ad76d3d1f6043bf81c1b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}