{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8158",
    "entityType": "User",
    "nonce": "0xb8c67c68146b5667ab539f41fe819402c50b68d916321b94a82877cda02a90c2",
    "signature": "0x67d08f3692e04086ccb8cbc1e88047abbd46da180984220036213a3ff2a4940d0c797a4b64eded61d6bbd27a47e2156b7f10d3571798d67036f3819f4fa83e571c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}