{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc5eb5508fc02f5b8f104b1a6d21923de851085abc45e32cefde0af10991a6234",
    "signature": "0x1cb2528816fbb3ad38e33791f6b351ee9a44d185908bf1c3229425d8eacab73c14df4bf4f5e950ceb88a0ac0efc3a8dd751522146ce1468a39e40fc31e3277e11b",
    "signer": "0xc7713Eb062b586364a25beaaBccc93E21Df318c0",
    "userId": "269788074"
  }
}