{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58218732",
    "entityType": "User",
    "nonce": "0x34760a5d1c901d6e7f99d7fbdd04d411d51acb37c4434a1f780644c8240c65aa",
    "signature": "0x021854bb0f6a22c4504fe0d6bf39af0743ecb8abf61139f465fd27c34850a9fa65093f2220e5a18e2ecfad04df0a0487a0c6d256ae828d13d45e55201accf5a01b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}