{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54284",
    "entityType": "User",
    "nonce": "0x746a67f885d07a5b0a092de0d3dfafebb877b4bc2e4f98671b2e004f35c6ab05",
    "signature": "0x1c4f58e49fdf9209757cb2582d0bafa28a66492d9fd39432e45241ceed3aa19a324dc176c03a322badbf04ed037d1837a72df06cea51885d4cfea8ad48d2cd1d1c",
    "signer": "0xcc8164Efbbe4ed123B8689622b411c154496e66b",
    "userId": "60031"
  }
}