{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65732",
    "entityType": "User",
    "nonce": "0xd4624520bcdd0b17cfeda18b0cf4d3dd22c373634fbd5d6d15c1f61e439c6117",
    "signature": "0xb4d5f6e3b9ed7e514d8d1bbc1bda71c5adc3f53628b9d4704077ad4a344cb1b6730f6d89e7c89f0f1303b601b8676f0a733564e7b0a04443d3269810495f7cde1c",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}