{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117877",
    "entityType": "User",
    "nonce": "0xaa9ff072ec6cb117d5854371cc1de5c39c1240c77c9233005a6dfdf72a9d9711",
    "signature": "0x6f3f5041e9622b99ae1978b571c02d3ecdde52e04ef9dfb99b135daa4f336c722a87add105accb010575f654d22d70eda2335d512fd32f6fbc757cba914030761b",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}