{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77460",
    "entityType": "User",
    "nonce": "0x762a5baa4af72b87fc2a640db6723170da7d4f17a8aa0d8da3f602d0b5e602d2",
    "signature": "0xf6f025e82c949346781a2d428f3c4562ca05c954620ea0809dc89e2a567f8c35729fa6cf45e278e11fe19f7634bcdd7fface27e9de145b2c2f86f72392e1dd641b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}