{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "268039",
    "entityType": "User",
    "nonce": "0x7b10845e8f0cd984119b7b0742bc37e19710b3b30bba3dc217f593e67d3fb025",
    "signature": "0xd95b7ec662d28a6ec6a506b81dfee369515d03a2afbb06d3cd71366a7cf1101e0f6a6366725fb4ddb0588e822720edc6e8c4693efad0742c2398a86daf3e49891b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}