{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "110507",
    "entityType": "User",
    "nonce": "0x9f3259cd4e28f00f4a8b7a878c1429f25c1f413eec99b1b1a0cdf3a6a5ca40de",
    "signature": "0x2b016bc27e6cf3495cfad70d1668b1dfba675f40c24d6b58517eb0e5b23f5e68158593e0b99cf3267dbbfdb17db7bcdaa3597b41d699abf24db663587aff65ef1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}