{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319060",
    "entityType": "User",
    "nonce": "0x2c252f35dc63c594ff0072b0d93dfcae0c172df8ab62e1a64078e16e60a27d5b",
    "signature": "0x3014809bcbddb6d43e463b616aec2ef190405a7dd8f2ac87121c421675fecaf56c4b3fd39bf2848ddebf6ef8ead98d7310ab981acbcd7546e506b4351d1f7c2d1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}