{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55368559",
    "entityType": "User",
    "nonce": "0xf18f3541eb26fc8d4062df2836c3f7ae2ecf7bc460eb46e6ec9d7f01719fb6ea",
    "signature": "0x6292628903efcd1e81b12449611e1c6c8e29c8b22b163f4024a506dc9a5cb23357fa75dd8e3ab311f510f3fe0184401cf425db9c1f40deb706e736b4fd8eaf6e1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}