{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954169504",
    "entityType": "User",
    "nonce": "0x44d6b1ff9331b3247ab759d5ef6df93e4fa0bef4ffe6ab2d204d262fb29402b6",
    "signature": "0xe479b034ea5cd5524d2383303affea282fd0228c73648700e0a721a30eb929a410a0fa426eae76cdb1419b6e7d21adff3610a05ee6933849d2930ff54ea4c3251b",
    "signer": "0x2B171214e998033E806F72301307B2160CD94DdB",
    "userId": "489165782"
  }
}