{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "148116554",
    "entityType": "User",
    "nonce": "0x5fbe4934bdc364f2ab9c21aff36a94836c8c6b16a5f3a7adf547df559ae91670",
    "signature": "0xa49e99c08dc9c5eb7803d4dc614eecfe3b856aca24c5951d5d09e18626a643707dda8d4310e5667ef3efeb49f6621d543ebff60d8dd8f709f247d33b9462f32f1b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}