{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854614078",
    "entityType": "User",
    "nonce": "0x3bef063123d5043869854970f8e0859a8d16dde3331d21976edab7cf6fb39be7",
    "signature": "0xeb6fdf17ee9c8bf9cdc8d36d43a679737a480e8a0b43839b26acd46935e82753745a4be7551dc2d26d7abc4a9b3d137155b455acb1911bb940802994d7ba28cb1c",
    "signer": "0xdcFFfa8EB0B3CCeBBb8F585ceF6b6dAdfAb46292",
    "userId": "468388066"
  }
}