{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76873",
    "entityType": "User",
    "nonce": "0x97062165a499c043c3c6170f28fd32d9183f9afd2b3cfb4dc53431262c489834",
    "signature": "0x4929c3c35e697cf090d8876fa8aed9df8972f14ea0ff9ec2fd5ef855e64ad80904b596275b246dfc5936855467d2a3261fdf48c64b9a553acf45470050bf0d8d1b",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}