{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0xa9bb987b3598780ad1b4a7cdd249fc2ff9e75347558087cf33b2b28672f64837",
    "signature": "0x7afab911ae8678708a65fe8e38c8d2428f1c12eff5bae1a3e4a1e7a847513bfd2fdac85bf42558c243e4c2c8c66b05cf3f63a2830e31906b9e893818888c5f301b",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}