{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15022",
    "entityType": "User",
    "nonce": "0x019198a23c9e987142b113758499d295907b16482da457b0323736ec5ff318a4",
    "signature": "0xd283205b2bdb890c184a1da101f58dfcaf02ba089c8d9aacf3aa9bd676a27e023f23653755316b9a932cb0871a2c4830f13a0d41b3121271e604ca02293003241b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}