{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "140682",
    "entityType": "User",
    "nonce": "0xe3c0b91c238b55919f84bdd5a5e548201b16c2a18160718bd56237216f95cc4a",
    "signature": "0x6d19031cfbc86063506e717a70d1e50f94168be59c296ae80f7eb7cfe7e7b0146e8c0231bba51622922ea76271c5d3fde3875532be6989d297228541164317af1b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}