{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317355",
    "entityType": "User",
    "nonce": "0x63174a4879a242581cc66de8770aebce1da177a71e22a4c4b1bf7bb1e108b839",
    "signature": "0xeafe694ff1665cab6e51a6220dc86b0023992c1eeb60b07ab323b03f0feefa752ecf7ef7b80a69b0db280bacef1a3288df8f0f928865b9227aa62f583d1f6dc01c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}