{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68301",
    "entityType": "User",
    "nonce": "0xfd4b111c57337ab34f93f452fd4aad210c5073b90c781ae0d210d49e792ade21",
    "signature": "0xe72d2bcf598ddec6d6953466b662eeb4077745b71164a4eefcc7827a05044f4c448defc208591ef6846023d27ac2d01367021d5af2115268edbc9b982d472ad71b",
    "signer": "0x887ff90b6e9a2F5c6Cf1E862028545C66FC95d72",
    "userId": "141224956"
  }
}