{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "973873678",
    "entityType": "User",
    "nonce": "0x7410aed7ded2ca7143837e0c072d8463cb67d89185545a3594a086e6ad2964f2",
    "signature": "0xc3edeed64c4b8d76c771fddc5a750fc38b7ebbf951bcf937977a89e74bd6c3220d1d0a07337c417f4b387cb7c9e1e1b6ecb920846206ca5d1013c8ec37aabbc81c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}