{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "480023595",
    "entityType": "User",
    "nonce": "0x12b553a641cbc4ecc7df46c6e0769387ad297749edeac51f11b1d2c313c39529",
    "signature": "0x0bc355514971b08a237af2699257c5c396c5ae7ae34e42da2a025cfd6729d72858151d10cbb7a248ea1ca92e6c5c7414fc6a0784c2d7276f5750dbef9310f21b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}