{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "162449",
    "entityType": "User",
    "nonce": "0xe7d3865ed7bde97ff7855cf053278db825c4bc243f9e975081f874e3d4219e2d",
    "signature": "0xb515d0588e3af75ad9fdbb8c3b6537c6f89e8eb66191b93928108f9e46f734c543705d18f713a3c13bba58d1252c9ffca233045828565aff3cf97efe257d6b991b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}