{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "366938",
    "entityType": "User",
    "nonce": "0xd57e67671f77aacfcb27acbe609138765916a77018251a524af890944be744d7",
    "signature": "0x63308cbbd72e3887646318bc2e2d313852aabe60b133c5a693b3fe1b8d276b9b027ef963054c3681ea0d48fb1a62d74b32797d88fef28e4c0255811f441019221b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}