{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x8fb80eebe32d76a5925233f60120714847722b112432c129ab4efcf52ae9b0ac",
    "signature": "0x0c5daac3f7d2fe2f943e718be09df82cc90540af15dcb2e9ffc93e772c4a63487920de256b2e8bb03fe4973b965403a5668ee33c161c1108b2869eae24f3788e1c",
    "signer": "0x6c1C8d036b3c0119e31Edb58B17D120E6e91C833",
    "userId": "206524150"
  }
}