{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x96257b05dbda6e85bd7dc8c2f422c14ff2c791e4d7076aff3c94d69169483b4f",
    "signature": "0x9a2950d6cf3c058011a03961ebc5fed93d5aab517a4d51cbf0d376ff41780255774289f26d1948049d20bb45ca20e1145302368db0cccc056e2b6aa5aa449fe81b",
    "signer": "0x81f60DEAd0cdA833Ad17fe7Ddd37b36E62630205",
    "userId": "132087202"
  }
}