{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "462732",
    "entityType": "User",
    "nonce": "0x4c370168fa803e79946dc06661941a6ce9561a2d808b73064c6783afbe863509",
    "signature": "0x76b0183c0b3eff62d94cebc22cf560c878c529cb53974ef02d73be8d78b6d0114204e3adcd702f02da3ec37f1c0ffe1d82b3b26ae820469a81f39058b084ce011b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}