{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "164551",
    "entityType": "User",
    "nonce": "0x1a54c6acbe4b7a7e9468ec2a271f5184a998b4d5b6e67552829eae142d242d91",
    "signature": "0xa0c2510b6a721affe312aa741189271c8cfca3800eba7811210efbc63840c07e34575e26f319850014cbc25b55fd084e102a397cff5f183102f3c512ec21ead11c",
    "signer": "0x64FFe0281b039044f7d34f49E097375a625c6850",
    "userId": "367335314"
  }
}